Question

Which is a similarity between a fish embryo and a bird embryo in the early stages of development? 
Responses

forelimbs 
forelimbs  - no response given

jaw bones
jaw bones - no response given

hindlimbs
hindlimbs - no response given

gill slits

Answer 1

gill slits - Both fish embryos and bird embryos have gill slits in the early stages of development, although in birds these structures later develop into different respiratory structures.